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[SCSI] hpsa: factor out hpsa_find_memory_BAR
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Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Stephen M. Cameron authored and James Bottomley committed Jul 27, 2010
1 parent 6b3f4c5 commit 3a7774c
Showing 1 changed file with 19 additions and 15 deletions.
34 changes: 19 additions & 15 deletions drivers/scsi/hpsa.c
Original file line number Diff line number Diff line change
Expand Up @@ -3285,6 +3285,23 @@ static inline bool hpsa_board_disabled(struct pci_dev *pdev)
return ((command & PCI_COMMAND_MEMORY) == 0);
}

static int __devinit hpsa_pci_find_memory_BAR(struct ctlr_info *h,
unsigned long *memory_bar)
{
int i;

for (i = 0; i < DEVICE_COUNT_RESOURCE; i++)
if (pci_resource_flags(h->pdev, i) & IORESOURCE_MEM) {
/* addressing mode bits already removed */
*memory_bar = pci_resource_start(h->pdev, i);
dev_dbg(&h->pdev->dev, "memory BAR = %lx\n",
*memory_bar);
return 0;
}
dev_warn(&h->pdev->dev, "no memory BAR found\n");
return -ENODEV;
}

static int __devinit hpsa_pci_init(struct ctlr_info *h)
{
u32 scratchpad = 0;
Expand Down Expand Up @@ -3317,22 +3334,9 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
return err;
}
hpsa_interrupt_mode(h);

/* find the memory BAR */
for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
if (pci_resource_flags(h->pdev, i) & IORESOURCE_MEM)
break;
}
if (i == DEVICE_COUNT_RESOURCE) {
dev_warn(&h->pdev->dev, "no memory BAR found\n");
err = -ENODEV;
err = hpsa_pci_find_memory_BAR(h, &h->paddr);
if (err)
goto err_out_free_res;
}

h->paddr = pci_resource_start(h->pdev, i); /* addressing mode bits
* already removed
*/

h->vaddr = remap_pci_mem(h->paddr, 0x250);

/* Wait for the board to become ready. */
Expand Down

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